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Chapter 3 Calibration Procedures

General Calibration/Adjustment Procedure

The calibration procedures from the front panel are described in this section.

For output voltage calibration, disconnect all loads from the power supply and

connect a DVM across the output terminals to be calibrated. For output current

calibration, disconnect all loads from the power supply, connect an

appropriate current monitoring resistor across the output terminals to be

calibrated, and connect a DVM across the terminals of the monitoring resistor.

The following table shows calibration parameters and points which should be

used to calibrate the output voltage and current for each of the three outputs.

Table 3-3. Parameters for Calibration

Note You can terminate any CAL SETUP without changing its calibration constants by

turning off power.

Output Calibration Parameter

Voltage/

Current

Calibration Point

mnemonic

+6V output

CAL SETUP 1 Voltage

V LO

V HI

CAL SETUP 2 Current

I LO

I HI

+25V output

CAL SETUP 3 Voltage

V LO

V HI

CAL SETUP 4 Current

V LO

I HI

-25V output

CAL SETUP 5 Voltage

V LO

V HI

CAL SETUP 6 Current

I LO

I HI

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